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Compare the published Medicare service mix of John Edward Stewart, MD, PHD with clinicians in the same registry specialty: Diagnostic Radiology · Nuclear Medicine (CMS).

NC · Exact areaEdit location

2024 published service data · 500 eligible profiles compared. This search reached its 500-profile comparison limit, using NPI order. Narrow the location for a more focused comparison. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Bradley James Abraham, D.O.

Diagnostic Radiology (CMS) · Charlotte, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
91%Service-mix similarityView profile →

Reid Breckwoldt

Diagnostic Radiology (CMS) · Huntersville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
91%Service-mix similarityView profile →

Cristian Alexandru Jurau, MD

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
90%Service-mix similarityView profile →

Justin Alexander Costello, M.D.

Diagnostic Radiology (CMS) · Asheville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
89%Service-mix similarityView profile →

Jeffrey Browne, M.D.

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
87%Service-mix similarityView profile →

Leslie Sue Jacobson, MD

Diagnostic Radiology (CMS) · Winston Salem, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
87%Service-mix similarityView profile →

Kirk Darrel Peterson, M.D.

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
87%Service-mix similarityView profile →

Sendhil K Cheran, MD

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
86%Service-mix similarityView profile →

Richard M Hasson, M.D.

Diagnostic Radiology (CMS) · Charlotte, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
86%Service-mix similarityView profile →

Whitney Feltus, M.D.

Diagnostic Radiology (CMS) · Charlotte, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
86%Service-mix similarityView profile →

Shaun Richard Rybak, M.D.

Diagnostic Radiology (CMS) · Asheville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
86%Service-mix similarityView profile →

Elena Camelia Antonescu, D.O.

Diagnostic Radiology (CMS) · Chapel Hill, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis without contrast (74176)
85%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.